t_1101 %>%
filter(line %in% c(8, 10, 9)) %>%
left_join(gdp, by = "date") %>%
ggplot(.) + theme_minimal() + ylab("% du PIB") + xlab("") +
geom_line(aes(x = date, y = value/gdp, color = Line, linetype = Line)) +
theme(legend.title = element_blank(),
legend.position = c(0.2, 0.85)) +
scale_x_date(breaks = seq(1950, 2020, 5) %>% paste0("-01-01") %>% as.Date,
labels = date_format("%y")) +
scale_color_manual(values = viridis(4)[1:3]) +
scale_y_log10(breaks = 0.01*seq(0, 100, 1),
labels = scales::percent_format(accuracy = 1))